MDB Ventures Preoctal Radio Vacuum Tubes

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Type: 43 ( NOS and Used )

Don't see what you need? Contact us. We have many more tubes that are not yet listed. We also have new and good used tubes in most other numbers including preoctal, globe/balloon, octal, loctal/loktal, miniature, subminature, metal, power, transmitter tubes and many more.

MDB Ventures Preoctal Tubes
Qty
Avail 		Tube
Type 		Price
Each 		Tube
Brand 		Emission
Strength 		Mutual
Conduct
Desc
Notes
1 43 $15.00 Raytheon 100% 2700 / 2300 ST - used leaky (5M) (wb) engraved base - oval black plate - no coat - four pillar tube - no label
1 43 $10.00 RCA / Cunningham 110% 2500 / 2300Gm ST - NOS (wb) engraved base - smooth plate - no coat
1 43 $10.00 RCA / Cunningham 100% 3500 / 2300Gm ST - NOS (wb) engraved base - smooth plate - no coat
1 43 $10.00 Super Silvertone 110% 2300 / 2300 ST - NOS (wb) engraved base - ribbed plate - no coat
1 43 $8.00 Cunningham 100% 2400 / 2300Gm ST - NOS (OB) ribbed plate - no coat
1 43 $8.00 Philco 110% 2300 / 2300Gm ST - NOS (OB) ribbed plate - no coat - box damaged
1 43 $8.00 Philco 120% 2300 / 2300Gm ST - NOS (OB) ribbed plate - no coat - box damaged
1 43 $8.00 Philco 110% 2300 / 2300Gm ST - NOS (OB) sealed in box - damaged box
1 43 $8.00 Tung-Sol 110% 2300 / 2300Gm ST - NOS (OB) square plate - black coat
1 43 $8.00 Tung-Sol 120% 3200 / 2300Gm ST - NOS (OB) square plate - black coat
1 43 $8.00 Tung-Sol 100% 2300 / 2300Gm ST - NOS (OB) ribbed plate - no coat
1 43 $8.00 National Union 100% 2300 / 2300Gm ST - NOS (OB) ribbed plate - no coat
1 43 $8.00 National Union 100% 2300 / 2300Gm ST - NOS (OB) ribbed plate - no coat
1 43 $8.00 Zenith 110% 2300 / 2300Gm ST - NOS (OB) ribbed plate - no coat
1 43 $8.00 Sylvania untested heater ok ST - NOS (OB) sealed in box
1 43 $8.00 Sylvania 110% 2300 / 2300 ST - NOS (OB) ribbed plate - no coat
1 43 $8.00 Sylvania 110% 2900 / 2300 ST - NOS (OB) ribbed plate - no coat
1 43 $8.00 Ken-Rad 110% 2500 / 2300Gm ST - NOS (OB) sealed in box
1 43 $8.00 Ken-Rad 110% 2300 / 2300Gm ST - NOS (OB) sealed in box
1 43 $8.00 Ken-Rad 110% 2400 / 2300Gm ST - NOS (OB) ribbed plate - no coat - damaged box
1 43 $8.00 GE 100% 2450 / 2300Gm ST - NOS (OB) ribbed plate - no coat - damaged box
1 43 $8.00 GE 110% 2300 / 2300Gm ST - NOS (ob) ribbed plate - no coat - top box flap missing
1 43 $8.00 GE 120% 4000 / 2300Gm ST - NOS (wb) ribbed plate - no coat
1 43 $8.00 GE 110% 2450 / 2300Gm ST - NOS (ob) ribbed plate - no coat - damaged box
1 43 $8.00 RCA 110% 3300 / 2300Gm ST - NOS (ob) ribbed plate - no coat - damaged box
1 43 $8.00 RCA 110% 2300 / 2300Gm ST - NOS (OB) ribbed plate - no coat
1 43 $8.00 RCA 110% 2900 / 2300Gm ST - NOS (OB) ribbed plate - no coat
1 43 $8.00 RCA 110% 2900 / 2300Gm ST - NOS (wb) smooth plate - no coat
1 43 $8.00 Wizard 130% 2800 / 2300 ST - NOS (wb) ribbed plate - no coat
1 43 $8.00 Le-Hi 110% 3400 / 2300 ST - NOS (wb) square plate - black coat
1 43 $8.00 Ceco 120% 2800 / 2300 ST - NOS (wb) square plate - black coat
1 43 $8.00 Arcturus 120% 3300 / 2300 ST - NOS (wb) ribbed plate - no coat
1 43 $5.00 RCA Radiotron 100% 2600 / 2300Gm ST - used (rb) engraved base - smooth plate - no coat (pl)
1 43 $5.00 Tung-Sol 112% 3600 / 2300Gm ST - used (L) engraved base - ribbed plate - no coat
1 43 $5.00 Philco 100% 2900 / 2300Gm ST - used (L) engraved base - ribbed plate - no coat
1 43 $5.00 Triad 105% 2800 / 2300Gm ST - used (L) engraved base - ribbed smooth - no coat
1 43 $4.00 Sylvania 110% 2800 / 2300Gm ST - used (rb) ribbed plate - no coat - damaged box
1 43 $4.00 Sylvania 110% 2250 / 2300Gm ST - used (ob) ribbed plate - no coat
1 43 $4.00 Sylvania 120% 3300 / 2300 ST - used (wb) ribbed plate - no coat
1 43 $4.00 Philco 115% 2900 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 Super Silvertone 110% 2700 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 Silvertone 100% 2800 / 2300Gm ST - used (L) ribbed plate no coat
1 43 $4.00 Arcturus 120% 2700 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 Sylvania 110% 2900 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 Sylvania 110% 3000 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 National Union 100% 3200 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 National Union 100% 2700 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 National Union 110 2500 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 Philips 100% 2000 / 2300Gm ST - used (L) ribbed plate - black coat - cat:312-144
1 43 $4.00 Ken-Rad 100% 2100 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 Ken-Rad 110% 2900 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 Tung-Sol 100% 1900 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $4.00 Wizard 110% 3000 / 2300Gm ST - used (L) ribbed plate - black coat
1 43 $4.00 National Union 100% 2500 / 2300Gm ST - used (L) ribbed black plate
1 43 $4.00 RCA / Cunningham 95% 2200 / 2300Gm ST - used (L) engraved base - smooth plate - no coat
1 43 $4.00 RCA / Cunningham 95% 3100 / 2300Gm ST - used (L) engraved base - smooth plate - no coat
1 43 $4.00 Philco 90% 2000 / 2300Gm ST - used (L) engraved base - smooth plate - no coat
1 43 $4.00 National Union 95% 3100 / 2300Gm ST - used (L) engraved base - ribbed plate - no coat
1 43 $4.00 Wards Super Airline 90% 2100 / 2300Gm ST - used (L) engraved base - ribbed plate - no coat
1 43 $3.00 Philco 90% 3100 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $3.00 Sylvania 90% 2050 / 2300Gm ST - used (L) ribbed plate - no coat - cat:311-91
1 43 $3.00 National Union 95% 2850 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $3.00 Delco 90% 2150 / 2300Gm ST - used (L) ribbed plate - no coat
1 43 $3.00 National Union 90% 2100 / 2300Gm ST - used (rb) ribbed plate - no coat - damaged box
1 43 $3.00 Delco 95% 2800 / 2300Gm ST - used (rb) ribbed plate - no coat
Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
ST=ST Style, GT=GT Style, JAN = Military
Emission Strength = Percentage of emission measured on Eico 666 tube tester
(Emission Strength = 100% baseline reference, >80%:good, >60%:fair >40%=diode good).
Gm = Mutual conductance measured on Hickok 533 tube tester; Except (H)=tested on Hickok 539A
(Gm = measured/baseline, measured1:measured2/baseline, measured1:measured2/baseline1:baseline2).

How To Order:

Purchasing our preoctal tubes is easy.
Just send us an email indicating the tubes (including quantities) you want.
We will let you know the total price including shipping and handling.

Shipping and Handling Information

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.

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Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com